39802568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20143}}^1$

素因数の和:20181

約数の個数: 32

約数和(自身を含む): 84604800

約数和(自身を除く): 44802232

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20143, 40286, 80572, 161144, 261859, 382717, 523718, 765434, 1047436, 1530868, 2094872, 3061736, 4975321, 9950642, 19901284, 39802568]

約数ペア:

[(1, 39802568), (2, 19901284), (4, 9950642), (8, 4975321), (13, 3061736), (19, 2094872), (26, 1530868), (38, 1047436), (52, 765434), (76, 523718), (104, 382717), (152, 261859), (247, 161144), (494, 80572), (988, 40286), (1976, 20143)]